ATT TEST 5 NEWEST TEST 2025 | ALL QUESTIONS AND CORRECT
ANSWERS | GRADED A+ | LATEST TEST | VERIFIED ANSWERS
Transistor amplifiers require what type of signal to function? - (CORRECT ANSWER)DC bias and AC input
signals
What changes are necessary for amplification to occur? - (CORRECT ANSWER)Small change in base
voltage, large change in collector current
What amplifier has the best fidelity? - (CORRECT ANSWER)class A
What amplifier has the best efficiency? - (CORRECT ANSWER)class C
When an input is applied across the emitter to base PN Junction, what is the relative resistance? -
(CORRECT ANSWER)low
When an input is applied across the collector to base PN Junction, What is the relative resistance? -
(CORRECT ANSWER)high, because it is reverse biased
The purpose of a transistor is to: - (CORRECT ANSWER)control signals
A cutoff transistor acts like it's: - (CORRECT ANSWER)open
What type of amplifier configuration has the input applied to the emitter and the output taken from the
collector? - (CORRECT ANSWER)common base
To determine the faulty component in a diode limiter or clamper; use ______________ - (CORRECT
ANSWER)resistance measurements
The screen grid is located between which two electrodes? - (CORRECT ANSWER)plate and control grid
1
, The purpose of the screen grid is to reduce the amount of _______________ - (CORRECT ANSWER)inter
electrode capacitance
The suppressor grid reduces the effects of? - (CORRECT ANSWER)secondary emission
How many electrodes does a pentode have? - (CORRECT ANSWER)5
What electron-tube amplifier configurations provides a 180 degrees phase shift from the input to the
output? - (CORRECT ANSWER)common cathode
What component supplies the electrons for the electron beam? - (CORRECT ANSWER)cathode
What term is used to describe screens that produce only one color? - (CORRECT ANSWER)monochrome
The _________ coating returns the secondary electrons to the power supply. - (CORRECT
ANSWER)aquadag
The set of coils which produces a vertical magnetic field is used to deflect the beam? - (CORRECT
ANSWER)horizontally
What happens in a transistor when the saturation point is reached? - (CORRECT ANSWER)Ic stops
increasing
What happens in a transistor when the base voltage reverse biases the emitter to base PN junction? -
(CORRECT ANSWER)cutoff occurs
_______ is the ratio of Ic/Ie - (CORRECT ANSWER)Alpha
2
ANSWERS | GRADED A+ | LATEST TEST | VERIFIED ANSWERS
Transistor amplifiers require what type of signal to function? - (CORRECT ANSWER)DC bias and AC input
signals
What changes are necessary for amplification to occur? - (CORRECT ANSWER)Small change in base
voltage, large change in collector current
What amplifier has the best fidelity? - (CORRECT ANSWER)class A
What amplifier has the best efficiency? - (CORRECT ANSWER)class C
When an input is applied across the emitter to base PN Junction, what is the relative resistance? -
(CORRECT ANSWER)low
When an input is applied across the collector to base PN Junction, What is the relative resistance? -
(CORRECT ANSWER)high, because it is reverse biased
The purpose of a transistor is to: - (CORRECT ANSWER)control signals
A cutoff transistor acts like it's: - (CORRECT ANSWER)open
What type of amplifier configuration has the input applied to the emitter and the output taken from the
collector? - (CORRECT ANSWER)common base
To determine the faulty component in a diode limiter or clamper; use ______________ - (CORRECT
ANSWER)resistance measurements
The screen grid is located between which two electrodes? - (CORRECT ANSWER)plate and control grid
1
, The purpose of the screen grid is to reduce the amount of _______________ - (CORRECT ANSWER)inter
electrode capacitance
The suppressor grid reduces the effects of? - (CORRECT ANSWER)secondary emission
How many electrodes does a pentode have? - (CORRECT ANSWER)5
What electron-tube amplifier configurations provides a 180 degrees phase shift from the input to the
output? - (CORRECT ANSWER)common cathode
What component supplies the electrons for the electron beam? - (CORRECT ANSWER)cathode
What term is used to describe screens that produce only one color? - (CORRECT ANSWER)monochrome
The _________ coating returns the secondary electrons to the power supply. - (CORRECT
ANSWER)aquadag
The set of coils which produces a vertical magnetic field is used to deflect the beam? - (CORRECT
ANSWER)horizontally
What happens in a transistor when the saturation point is reached? - (CORRECT ANSWER)Ic stops
increasing
What happens in a transistor when the base voltage reverse biases the emitter to base PN junction? -
(CORRECT ANSWER)cutoff occurs
_______ is the ratio of Ic/Ie - (CORRECT ANSWER)Alpha
2
